641442009

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{2719}}^1$

素因数の和:3021

約数の個数: 32

約数和(自身を含む): 965099520

約数和(自身を除く): 323657511

約数列:

[1, 3, 13, 23, 39, 69, 263, 299, 789, 897, 2719, 3419, 6049, 8157, 10257, 18147, 35347, 62537, 78637, 106041, 187611, 235911, 715097, 812981, 2145291, 2438943, 9296261, 16447231, 27888783, 49341693, 213814003, 641442009]

約数ペア:

[(1, 641442009), (3, 213814003), (13, 49341693), (23, 27888783), (39, 16447231), (69, 9296261), (263, 2438943), (299, 2145291), (789, 812981), (897, 715097), (2719, 235911), (3419, 187611), (6049, 106041), (8157, 78637), (10257, 62537), (18147, 35347)]